ranges-2

import re


class RangeParser:
    def __init__(self, ranges_):
        self.ranges_str = ranges_
        self.result = []
        self.parse_ranges()

    def parse_ranges(self):
        pattern = re.compile(r'(\d+)-(\d+)')
        ranges_list = self.ranges_str.split(',')
        for record in ranges_list:
            match = pattern.match(record)
            if match:
                start, end = int(match.group(1)), int(match.group(2))
                self.add_range(start, end)

    def add_range(self, start, end):
        for num in range(start, end + 1):
            self.result.append(num)

    def get_result(self):
        return self.result


ranges_str = '1-2,8-15,23-25'
parser = RangeParser(ranges_str)
print(parser.get_result())
# [1, 2, 8, 9, 10, 11, 12, 13, 14, 15, 23, 24, 25]